Finding the Fourth Proportional to 271,022.13, 406,671.93 and 129,028.05
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Solution
The fourth proportional to 271,022.13, 406,671.93 and 129,028.05 is: 193,608.12
Step by Step Solution
- Step 1: Write the proportion equation
271,022.13 : 406,671.93 = 129,028.05 : x - Step 2: Convert to fraction form
271,022.13/406,671.93 = 129,028.05/x - Step 3: Cross multiply
271,022.13x = 406,671.93 × 129,028.05 - Step 4: Simplify right side
271,022.13x = 52,472,086,117.64 - Step 5: Solve for x
x = 52,472,086,117.64/271,022.13 - Step 6: Final answer
x = 193,608.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.